Axelby, Richard. Science and the changing environment in India, 1780-1920 : a guide to sources in the India Office Records / by Richard Axelby and Savithri Preetha Nair ; edited by Andrew Cook. - 1st ed. - London : The British Library, 2010 - 287 p. ; 25 cm. ISBN: 9780712309455 (hbk.) Dewey Class. No.: 500 / AXE